... class Design SW66 New Relaceable battery and flashmemory watch camera Specification: itemparametermemoryTF (1GB-32GB)Video formatAVIPhoto formatJPGAudio formatWAVVideo resolution 1280×720 / 1920 ... watch is no power or the time setting for the video is not successfullyCharge the button camera of the digital watch ... it before using the camera. SW66 New Relaceable battery and flashmemory watch camera